package ZRH;

public class zrh01 {
    public static void main(String[] args) {
        double a = -1.9;
        System.out.println(jdz(a));
    }

    public static double jdz(double a) {
        double jDZ;
        if (a >= 0) {
            jDZ = a;
        } else {
            jDZ = -a;
        }
        return jDZ;
    }
}